Mark Wayne Peres

Insider Reports History

Location
Greer, SC
Signature
/s/ Jon Gordon as attorney-in-Fact for Mark Peres
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Mark Wayne Peres:

Company Role Class Num Shares Value Price $ Report Date Ownership
DEEP FISSION, INC. Chief Nuclear Officer Common Stock 86,607 19 Feb 2026 Direct
DEEP FISSION, INC. Chief Nuclear Officer Restricted Stock Unit 25,000 19 Feb 2026 Direct
DEEP FISSION, INC. Chief Nuclear Officer Employee Stock Option (right to buy) 15,000 19 Feb 2026 Direct

Insider Reports Filed by Mark Wayne Peres

Symbol Company Period Transactions Value $ Form Type Role Filing Time
/report/000110465926018749-peres-mark-wayne-2026-02-19 DEEP FISSION, INC. 19 Feb 2026 2 $0 4 Chief Nuclear Officer 23 Feb 2026, 21:10
/report/000110465926018747-peres-mark-wayne-2026-02-19 DEEP FISSION, INC. 19 Feb 2026 0 $0 3 Chief Nuclear Officer 23 Feb 2026, 21:09